Top Definition
A term meaning the use of ridiculously low interps ie. below .1 . As a result it means an inability to do it on the OGN server.
omfg that guy just mental-xed me before i was even around the corner
by Anonymous March 20, 2003
1 more definition
A cockcheese drinking, goat fucking, corpse raping, pickledick, inbred, shiteating, nosepicking, arse-pube collecting pineapple fucker.
What a fucking mental-x.
by Anonymous March 20, 2003

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